Digital BW, The Print

http://harrington.com/QuadToneRIP.html

Also check the threads here from Roy from the last week or so, there was a sudo command that needed to be used to make it work as well as some other tweakage. 

You'll need Jaguar, Gimp-print 4.2.5 and Ghostscript to get started. Some people seem to have it running under Linux also for those unfortunate macless souls ;)

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Tom Husband" <thusband@s...> wrote:
> Congratulations Charles!  It must be very satisfying.  I'd be 
> interested in attempting my own curves too.  Where would I find Roy's 
> program?  I didn't see it in the files section.
> 
> Thanks,
> 
> Tom Husband
> 
> --- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Charles Bandes" 
> <byronbulb@y...> wrote:
> > Ok - so starting with Roy's program was painful. I had a really 
> hard time at first (though Roy was insanely wonderfully helpful and 
> got me up to speed after a flurry of email :) ) but wow, I mean WOW - 
> it is working now, really really well. And he has a system for making 
> curves that actually sorta makes sense to me. The upshot of this is 
> that I made curves for my printer this afternoon all by myself (well, 
> um, with the help of some email and spreadsheets from Roy) which are 
> WORKING! Still need a little tweaking, and my curves are not as good 
> as, say, Tyler Boley's or Paul Roark's, but considering that just 
> yesterday I was describing myself as an "end-user doofus" I am 
> delighted with the results I am getting now.
> > 
> > In an email to Roy a few minutes ago I said "Ok so I am jumping 
> around my studio feeling like a curve-development god rather than an 
> end-user doofus. Thank you!"
> > 
> > Anyway - once I get my curves working a little better I'll be 
> thrilled to share them with anyone else who wants them (MIS-VM inks 
> on a 1280) - I'd encourage everyone to try this system, it works, and 
> it's free!! :)